Malware Analysis Report

2024-10-19 10:15

Sample ID 240407-n6zfyacc4x
Target e4e08232484ec192a216b4d94a36e20b_JaffaCakes118
SHA256 1c4c92a73c75b1cc5c8aee4ae860aacd8b1dad017d45fc11c01852ef8705a783
Tags
dridex 22201 botnet loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1c4c92a73c75b1cc5c8aee4ae860aacd8b1dad017d45fc11c01852ef8705a783

Threat Level: Known bad

The file e4e08232484ec192a216b4d94a36e20b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

dridex 22201 botnet loader

Dridex

Dridex Loader

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-07 12:01

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 12:01

Reported

2024-04-07 12:03

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

155s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4e08232484ec192a216b4d94a36e20b_JaffaCakes118.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2524 wrote to memory of 856 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2524 wrote to memory of 856 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2524 wrote to memory of 856 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4e08232484ec192a216b4d94a36e20b_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4e08232484ec192a216b4d94a36e20b_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 856 -ip 856

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 668

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp

Files

memory/856-0-0x0000000074EB0000-0x0000000074EE0000-memory.dmp

memory/856-1-0x0000000000590000-0x0000000000596000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 12:01

Reported

2024-04-07 12:03

Platform

win7-20240319-en

Max time kernel

141s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4e08232484ec192a216b4d94a36e20b_JaffaCakes118.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4e08232484ec192a216b4d94a36e20b_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4e08232484ec192a216b4d94a36e20b_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 288

Network

N/A

Files

memory/1696-0-0x0000000075020000-0x0000000075050000-memory.dmp

memory/1696-1-0x0000000000150000-0x0000000000156000-memory.dmp